From: Larry Finger <Larry.Finger@lwfinger.net>
To: htl10@users.sourceforge.net
Cc: Herton Ronaldo Krzesinski <herton@mandriva.com.br>,
Pavel Roskin <proski@gnu.org>,
wireless <linux-wireless@vger.kernel.org>
Subject: [RFC/RFT] rtl8187: Reduce delays to reduce startup time
Date: Wed, 29 Oct 2008 09:29:49 -0700 [thread overview]
Message-ID: <49088F7D.8020102@lwfinger.net> (raw)
In-Reply-To: <838057.50079.qm@web23102.mail.ird.yahoo.com>
The current driver for the RTL8187 and RTL8187B USB devices contain a large
number of sleep statements, which causes the driver to take a very long time
to initialize and connect. An audit was undertaken to test which, if any, of
these delays could be eliminated.
The first thing I noted was that calls to rtl8225_write_ofdm(),
rtl8225_write_cck(), and rtl8225_write() all go through either
rtl8225_write_bang() or rtl8225_write_8051() and that both those routines
finish with an msleep() call; therefore sequences such as
rtl8225_write(); msleep(1) should not be needed. After removing the msleep()
calls of this type, the initialization routine was much faster without affecting
any functionality.
Next, I experimented with removing those calls with sleeps greater than 1
second - again there was no negative effect.
These changes are most important for the execution of routine
rtl8225z2_b_rf_init() where the time went from 14.84 sec to 7.90 sec.
Please test these changes to verify that these changes do not affect correct
operations of other versions of either the RTL8187 or RTL8187B chips.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
Index: wireless-testing/drivers/net/wireless/rtl8187_rtl8225.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtl8187_rtl8225.c
+++ wireless-testing/drivers/net/wireless/rtl8187_rtl8225.c
@@ -64,7 +64,7 @@ static void rtl8225_write_bitbang(struct
rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
- msleep(2);
+ msleep(1);
}
static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, __le16 data)
@@ -98,7 +98,7 @@ static void rtl8225_write_8051(struct ie
rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
- msleep(2);
+ msleep(1);
}
static void rtl8225_write(struct ieee80211_hw *dev, u8 addr, u16 data)
@@ -333,21 +333,21 @@ static void rtl8225_rf_init(struct ieee8
struct rtl8187_priv *priv = dev->priv;
int i;
- rtl8225_write(dev, 0x0, 0x067); msleep(1);
- rtl8225_write(dev, 0x1, 0xFE0); msleep(1);
- rtl8225_write(dev, 0x2, 0x44D); msleep(1);
- rtl8225_write(dev, 0x3, 0x441); msleep(1);
- rtl8225_write(dev, 0x4, 0x486); msleep(1);
- rtl8225_write(dev, 0x5, 0xBC0); msleep(1);
- rtl8225_write(dev, 0x6, 0xAE6); msleep(1);
- rtl8225_write(dev, 0x7, 0x82A); msleep(1);
- rtl8225_write(dev, 0x8, 0x01F); msleep(1);
- rtl8225_write(dev, 0x9, 0x334); msleep(1);
- rtl8225_write(dev, 0xA, 0xFD4); msleep(1);
- rtl8225_write(dev, 0xB, 0x391); msleep(1);
- rtl8225_write(dev, 0xC, 0x050); msleep(1);
- rtl8225_write(dev, 0xD, 0x6DB); msleep(1);
- rtl8225_write(dev, 0xE, 0x029); msleep(1);
+ rtl8225_write(dev, 0x0, 0x067);
+ rtl8225_write(dev, 0x1, 0xFE0);
+ rtl8225_write(dev, 0x2, 0x44D);
+ rtl8225_write(dev, 0x3, 0x441);
+ rtl8225_write(dev, 0x4, 0x486);
+ rtl8225_write(dev, 0x5, 0xBC0);
+ rtl8225_write(dev, 0x6, 0xAE6);
+ rtl8225_write(dev, 0x7, 0x82A);
+ rtl8225_write(dev, 0x8, 0x01F);
+ rtl8225_write(dev, 0x9, 0x334);
+ rtl8225_write(dev, 0xA, 0xFD4);
+ rtl8225_write(dev, 0xB, 0x391);
+ rtl8225_write(dev, 0xC, 0x050);
+ rtl8225_write(dev, 0xD, 0x6DB);
+ rtl8225_write(dev, 0xE, 0x029);
rtl8225_write(dev, 0xF, 0x914); msleep(100);
rtl8225_write(dev, 0x2, 0xC4D); msleep(200);
@@ -375,91 +375,89 @@ static void rtl8225_rf_init(struct ieee8
for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
rtl8225_write_phy_ofdm(dev, 0xB, rtl8225_agc[i]);
- msleep(1);
rtl8225_write_phy_ofdm(dev, 0xA, 0x80 + i);
- msleep(1);
}
msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x00, 0x01); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x01, 0x02); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x02, 0x42); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x03, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x04, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x05, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x06, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x07, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x08, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x09, 0xfe); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0a, 0x09); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0b, 0x80); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0c, 0x01); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0f, 0x38); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x10, 0x84); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x11, 0x06); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x12, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x13, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x14, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x15, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x16, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x17, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x18, 0xef); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x19, 0x19); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1a, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1b, 0x76); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1c, 0x04); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1e, 0x95); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1f, 0x75); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x20, 0x1f); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x21, 0x27); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x22, 0x16); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x24, 0x46); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x25, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x27, 0x88); msleep(1);
+ rtl8225_write_phy_ofdm(dev, 0x00, 0x01);
+ rtl8225_write_phy_ofdm(dev, 0x01, 0x02);
+ rtl8225_write_phy_ofdm(dev, 0x02, 0x42);
+ rtl8225_write_phy_ofdm(dev, 0x03, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x04, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x05, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x06, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x07, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x08, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x09, 0xfe);
+ rtl8225_write_phy_ofdm(dev, 0x0a, 0x09);
+ rtl8225_write_phy_ofdm(dev, 0x0b, 0x80);
+ rtl8225_write_phy_ofdm(dev, 0x0c, 0x01);
+ rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3);
+ rtl8225_write_phy_ofdm(dev, 0x0f, 0x38);
+ rtl8225_write_phy_ofdm(dev, 0x10, 0x84);
+ rtl8225_write_phy_ofdm(dev, 0x11, 0x06);
+ rtl8225_write_phy_ofdm(dev, 0x12, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x13, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x14, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x15, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x16, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x17, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x18, 0xef);
+ rtl8225_write_phy_ofdm(dev, 0x19, 0x19);
+ rtl8225_write_phy_ofdm(dev, 0x1a, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x1b, 0x76);
+ rtl8225_write_phy_ofdm(dev, 0x1c, 0x04);
+ rtl8225_write_phy_ofdm(dev, 0x1e, 0x95);
+ rtl8225_write_phy_ofdm(dev, 0x1f, 0x75);
+ rtl8225_write_phy_ofdm(dev, 0x20, 0x1f);
+ rtl8225_write_phy_ofdm(dev, 0x21, 0x27);
+ rtl8225_write_phy_ofdm(dev, 0x22, 0x16);
+ rtl8225_write_phy_ofdm(dev, 0x24, 0x46);
+ rtl8225_write_phy_ofdm(dev, 0x25, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x26, 0x90);
+ rtl8225_write_phy_ofdm(dev, 0x27, 0x88);
rtl8225_write_phy_ofdm(dev, 0x0d, rtl8225_gain[2 * 4]);
rtl8225_write_phy_ofdm(dev, 0x1b, rtl8225_gain[2 * 4 + 2]);
rtl8225_write_phy_ofdm(dev, 0x1d, rtl8225_gain[2 * 4 + 3]);
rtl8225_write_phy_ofdm(dev, 0x23, rtl8225_gain[2 * 4 + 1]);
- rtl8225_write_phy_cck(dev, 0x00, 0x98); msleep(1);
- rtl8225_write_phy_cck(dev, 0x03, 0x20); msleep(1);
- rtl8225_write_phy_cck(dev, 0x04, 0x7e); msleep(1);
- rtl8225_write_phy_cck(dev, 0x05, 0x12); msleep(1);
- rtl8225_write_phy_cck(dev, 0x06, 0xfc); msleep(1);
- rtl8225_write_phy_cck(dev, 0x07, 0x78); msleep(1);
- rtl8225_write_phy_cck(dev, 0x08, 0x2e); msleep(1);
- rtl8225_write_phy_cck(dev, 0x10, 0x9b); msleep(1);
- rtl8225_write_phy_cck(dev, 0x11, 0x88); msleep(1);
- rtl8225_write_phy_cck(dev, 0x12, 0x47); msleep(1);
+ rtl8225_write_phy_cck(dev, 0x00, 0x98);
+ rtl8225_write_phy_cck(dev, 0x03, 0x20);
+ rtl8225_write_phy_cck(dev, 0x04, 0x7e);
+ rtl8225_write_phy_cck(dev, 0x05, 0x12);
+ rtl8225_write_phy_cck(dev, 0x06, 0xfc);
+ rtl8225_write_phy_cck(dev, 0x07, 0x78);
+ rtl8225_write_phy_cck(dev, 0x08, 0x2e);
+ rtl8225_write_phy_cck(dev, 0x10, 0x9b);
+ rtl8225_write_phy_cck(dev, 0x11, 0x88);
+ rtl8225_write_phy_cck(dev, 0x12, 0x47);
rtl8225_write_phy_cck(dev, 0x13, 0xd0);
rtl8225_write_phy_cck(dev, 0x19, 0x00);
rtl8225_write_phy_cck(dev, 0x1a, 0xa0);
rtl8225_write_phy_cck(dev, 0x1b, 0x08);
rtl8225_write_phy_cck(dev, 0x40, 0x86);
- rtl8225_write_phy_cck(dev, 0x41, 0x8d); msleep(1);
- rtl8225_write_phy_cck(dev, 0x42, 0x15); msleep(1);
- rtl8225_write_phy_cck(dev, 0x43, 0x18); msleep(1);
- rtl8225_write_phy_cck(dev, 0x44, 0x1f); msleep(1);
- rtl8225_write_phy_cck(dev, 0x45, 0x1e); msleep(1);
- rtl8225_write_phy_cck(dev, 0x46, 0x1a); msleep(1);
- rtl8225_write_phy_cck(dev, 0x47, 0x15); msleep(1);
- rtl8225_write_phy_cck(dev, 0x48, 0x10); msleep(1);
- rtl8225_write_phy_cck(dev, 0x49, 0x0a); msleep(1);
- rtl8225_write_phy_cck(dev, 0x4a, 0x05); msleep(1);
- rtl8225_write_phy_cck(dev, 0x4b, 0x02); msleep(1);
- rtl8225_write_phy_cck(dev, 0x4c, 0x05); msleep(1);
+ rtl8225_write_phy_cck(dev, 0x41, 0x8d);
+ rtl8225_write_phy_cck(dev, 0x42, 0x15);
+ rtl8225_write_phy_cck(dev, 0x43, 0x18);
+ rtl8225_write_phy_cck(dev, 0x44, 0x1f);
+ rtl8225_write_phy_cck(dev, 0x45, 0x1e);
+ rtl8225_write_phy_cck(dev, 0x46, 0x1a);
+ rtl8225_write_phy_cck(dev, 0x47, 0x15);
+ rtl8225_write_phy_cck(dev, 0x48, 0x10);
+ rtl8225_write_phy_cck(dev, 0x49, 0x0a);
+ rtl8225_write_phy_cck(dev, 0x4a, 0x05);
+ rtl8225_write_phy_cck(dev, 0x4b, 0x02);
+ rtl8225_write_phy_cck(dev, 0x4c, 0x05);
rtl818x_iowrite8(priv, &priv->map->TESTR, 0x0D);
rtl8225_rf_set_tx_power(dev, 1);
/* RX antenna default to A */
- rtl8225_write_phy_cck(dev, 0x10, 0x9b); msleep(1); /* B: 0xDB */
- rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1); /* B: 0x10 */
+ rtl8225_write_phy_cck(dev, 0x10, 0x9b); /* B: 0xDB */
+ rtl8225_write_phy_ofdm(dev, 0x26, 0x90); /* B: 0x10 */
rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03); /* B: 0x00 */
msleep(1);
@@ -691,21 +689,21 @@ static void rtl8225z2_rf_init(struct iee
struct rtl8187_priv *priv = dev->priv;
int i;
- rtl8225_write(dev, 0x0, 0x2BF); msleep(1);
- rtl8225_write(dev, 0x1, 0xEE0); msleep(1);
- rtl8225_write(dev, 0x2, 0x44D); msleep(1);
- rtl8225_write(dev, 0x3, 0x441); msleep(1);
- rtl8225_write(dev, 0x4, 0x8C3); msleep(1);
- rtl8225_write(dev, 0x5, 0xC72); msleep(1);
- rtl8225_write(dev, 0x6, 0x0E6); msleep(1);
- rtl8225_write(dev, 0x7, 0x82A); msleep(1);
- rtl8225_write(dev, 0x8, 0x03F); msleep(1);
- rtl8225_write(dev, 0x9, 0x335); msleep(1);
- rtl8225_write(dev, 0xa, 0x9D4); msleep(1);
- rtl8225_write(dev, 0xb, 0x7BB); msleep(1);
- rtl8225_write(dev, 0xc, 0x850); msleep(1);
- rtl8225_write(dev, 0xd, 0xCDF); msleep(1);
- rtl8225_write(dev, 0xe, 0x02B); msleep(1);
+ rtl8225_write(dev, 0x0, 0x2BF);
+ rtl8225_write(dev, 0x1, 0xEE0);
+ rtl8225_write(dev, 0x2, 0x44D);
+ rtl8225_write(dev, 0x3, 0x441);
+ rtl8225_write(dev, 0x4, 0x8C3);
+ rtl8225_write(dev, 0x5, 0xC72);
+ rtl8225_write(dev, 0x6, 0x0E6);
+ rtl8225_write(dev, 0x7, 0x82A);
+ rtl8225_write(dev, 0x8, 0x03F);
+ rtl8225_write(dev, 0x9, 0x335);
+ rtl8225_write(dev, 0xa, 0x9D4);
+ rtl8225_write(dev, 0xb, 0x7BB);
+ rtl8225_write(dev, 0xc, 0x850);
+ rtl8225_write(dev, 0xd, 0xCDF);
+ rtl8225_write(dev, 0xe, 0x02B);
rtl8225_write(dev, 0xf, 0x114); msleep(100);
rtl8225_write(dev, 0x0, 0x1B7);
@@ -740,94 +738,92 @@ static void rtl8225z2_rf_init(struct iee
for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
rtl8225_write_phy_ofdm(dev, 0xB, rtl8225_agc[i]);
- msleep(1);
rtl8225_write_phy_ofdm(dev, 0xA, 0x80 + i);
- msleep(1);
}
msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x00, 0x01); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x01, 0x02); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x02, 0x42); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x03, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x04, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x05, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x06, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x07, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x08, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x09, 0xfe); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0a, 0x08); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0b, 0x80); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0c, 0x01); msleep(1);
+ rtl8225_write_phy_ofdm(dev, 0x00, 0x01);
+ rtl8225_write_phy_ofdm(dev, 0x01, 0x02);
+ rtl8225_write_phy_ofdm(dev, 0x02, 0x42);
+ rtl8225_write_phy_ofdm(dev, 0x03, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x04, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x05, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x06, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x07, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x08, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x09, 0xfe);
+ rtl8225_write_phy_ofdm(dev, 0x0a, 0x08);
+ rtl8225_write_phy_ofdm(dev, 0x0b, 0x80);
+ rtl8225_write_phy_ofdm(dev, 0x0c, 0x01);
rtl8225_write_phy_ofdm(dev, 0x0d, 0x43);
- rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x0f, 0x38); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x10, 0x84); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x11, 0x07); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x12, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x13, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x14, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x15, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x16, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x17, 0x40); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x18, 0xef); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x19, 0x19); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1a, 0x20); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1b, 0x15); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1c, 0x04); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1d, 0xc5); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1e, 0x95); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x1f, 0x75); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x20, 0x1f); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x21, 0x17); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x22, 0x16); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x23, 0x80); msleep(1); //FIXME: not needed?
- rtl8225_write_phy_ofdm(dev, 0x24, 0x46); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x25, 0x00); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x27, 0x88); msleep(1);
+ rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3);
+ rtl8225_write_phy_ofdm(dev, 0x0f, 0x38);
+ rtl8225_write_phy_ofdm(dev, 0x10, 0x84);
+ rtl8225_write_phy_ofdm(dev, 0x11, 0x07);
+ rtl8225_write_phy_ofdm(dev, 0x12, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x13, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x14, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x15, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x16, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x17, 0x40);
+ rtl8225_write_phy_ofdm(dev, 0x18, 0xef);
+ rtl8225_write_phy_ofdm(dev, 0x19, 0x19);
+ rtl8225_write_phy_ofdm(dev, 0x1a, 0x20);
+ rtl8225_write_phy_ofdm(dev, 0x1b, 0x15);
+ rtl8225_write_phy_ofdm(dev, 0x1c, 0x04);
+ rtl8225_write_phy_ofdm(dev, 0x1d, 0xc5);
+ rtl8225_write_phy_ofdm(dev, 0x1e, 0x95);
+ rtl8225_write_phy_ofdm(dev, 0x1f, 0x75);
+ rtl8225_write_phy_ofdm(dev, 0x20, 0x1f);
+ rtl8225_write_phy_ofdm(dev, 0x21, 0x17);
+ rtl8225_write_phy_ofdm(dev, 0x22, 0x16);
+ rtl8225_write_phy_ofdm(dev, 0x23, 0x80);
+ rtl8225_write_phy_ofdm(dev, 0x24, 0x46);
+ rtl8225_write_phy_ofdm(dev, 0x25, 0x00);
+ rtl8225_write_phy_ofdm(dev, 0x26, 0x90);
+ rtl8225_write_phy_ofdm(dev, 0x27, 0x88);
rtl8225_write_phy_ofdm(dev, 0x0b, rtl8225z2_gain_bg[4 * 3]);
rtl8225_write_phy_ofdm(dev, 0x1b, rtl8225z2_gain_bg[4 * 3 + 1]);
rtl8225_write_phy_ofdm(dev, 0x1d, rtl8225z2_gain_bg[4 * 3 + 2]);
rtl8225_write_phy_ofdm(dev, 0x21, 0x37);
- rtl8225_write_phy_cck(dev, 0x00, 0x98); msleep(1);
- rtl8225_write_phy_cck(dev, 0x03, 0x20); msleep(1);
- rtl8225_write_phy_cck(dev, 0x04, 0x7e); msleep(1);
- rtl8225_write_phy_cck(dev, 0x05, 0x12); msleep(1);
- rtl8225_write_phy_cck(dev, 0x06, 0xfc); msleep(1);
- rtl8225_write_phy_cck(dev, 0x07, 0x78); msleep(1);
- rtl8225_write_phy_cck(dev, 0x08, 0x2e); msleep(1);
- rtl8225_write_phy_cck(dev, 0x10, 0x9b); msleep(1);
- rtl8225_write_phy_cck(dev, 0x11, 0x88); msleep(1);
- rtl8225_write_phy_cck(dev, 0x12, 0x47); msleep(1);
+ rtl8225_write_phy_cck(dev, 0x00, 0x98);
+ rtl8225_write_phy_cck(dev, 0x03, 0x20);
+ rtl8225_write_phy_cck(dev, 0x04, 0x7e);
+ rtl8225_write_phy_cck(dev, 0x05, 0x12);
+ rtl8225_write_phy_cck(dev, 0x06, 0xfc);
+ rtl8225_write_phy_cck(dev, 0x07, 0x78);
+ rtl8225_write_phy_cck(dev, 0x08, 0x2e);
+ rtl8225_write_phy_cck(dev, 0x10, 0x9b);
+ rtl8225_write_phy_cck(dev, 0x11, 0x88);
+ rtl8225_write_phy_cck(dev, 0x12, 0x47);
rtl8225_write_phy_cck(dev, 0x13, 0xd0);
rtl8225_write_phy_cck(dev, 0x19, 0x00);
rtl8225_write_phy_cck(dev, 0x1a, 0xa0);
rtl8225_write_phy_cck(dev, 0x1b, 0x08);
rtl8225_write_phy_cck(dev, 0x40, 0x86);
- rtl8225_write_phy_cck(dev, 0x41, 0x8d); msleep(1);
- rtl8225_write_phy_cck(dev, 0x42, 0x15); msleep(1);
- rtl8225_write_phy_cck(dev, 0x43, 0x18); msleep(1);
- rtl8225_write_phy_cck(dev, 0x44, 0x36); msleep(1);
- rtl8225_write_phy_cck(dev, 0x45, 0x35); msleep(1);
- rtl8225_write_phy_cck(dev, 0x46, 0x2e); msleep(1);
- rtl8225_write_phy_cck(dev, 0x47, 0x25); msleep(1);
- rtl8225_write_phy_cck(dev, 0x48, 0x1c); msleep(1);
- rtl8225_write_phy_cck(dev, 0x49, 0x12); msleep(1);
- rtl8225_write_phy_cck(dev, 0x4a, 0x09); msleep(1);
- rtl8225_write_phy_cck(dev, 0x4b, 0x04); msleep(1);
- rtl8225_write_phy_cck(dev, 0x4c, 0x05); msleep(1);
+ rtl8225_write_phy_cck(dev, 0x41, 0x8d);
+ rtl8225_write_phy_cck(dev, 0x42, 0x15);
+ rtl8225_write_phy_cck(dev, 0x43, 0x18);
+ rtl8225_write_phy_cck(dev, 0x44, 0x36);
+ rtl8225_write_phy_cck(dev, 0x45, 0x35);
+ rtl8225_write_phy_cck(dev, 0x46, 0x2e);
+ rtl8225_write_phy_cck(dev, 0x47, 0x25);
+ rtl8225_write_phy_cck(dev, 0x48, 0x1c);
+ rtl8225_write_phy_cck(dev, 0x49, 0x12);
+ rtl8225_write_phy_cck(dev, 0x4a, 0x09);
+ rtl8225_write_phy_cck(dev, 0x4b, 0x04);
+ rtl8225_write_phy_cck(dev, 0x4c, 0x05);
rtl818x_iowrite8(priv, (u8 *)0xFF5B, 0x0D); msleep(1);
rtl8225z2_rf_set_tx_power(dev, 1);
/* RX antenna default to A */
- rtl8225_write_phy_cck(dev, 0x10, 0x9b); msleep(1); /* B: 0xDB */
- rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1); /* B: 0x10 */
+ rtl8225_write_phy_cck(dev, 0x10, 0x9b); /* B: 0xDB */
+ rtl8225_write_phy_ofdm(dev, 0x26, 0x90); /* B: 0x10 */
rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03); /* B: 0x00 */
msleep(1);
@@ -839,40 +835,38 @@ static void rtl8225z2_b_rf_init(struct i
struct rtl8187_priv *priv = dev->priv;
int i;
- rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
- rtl8225_write(dev, 0x1, 0xEE0); msleep(1);
- rtl8225_write(dev, 0x2, 0x44D); msleep(1);
- rtl8225_write(dev, 0x3, 0x441); msleep(1);
- rtl8225_write(dev, 0x4, 0x8C3); msleep(1);
- rtl8225_write(dev, 0x5, 0xC72); msleep(1);
- rtl8225_write(dev, 0x6, 0x0E6); msleep(1);
- rtl8225_write(dev, 0x7, 0x82A); msleep(1);
- rtl8225_write(dev, 0x8, 0x03F); msleep(1);
- rtl8225_write(dev, 0x9, 0x335); msleep(1);
- rtl8225_write(dev, 0xa, 0x9D4); msleep(1);
- rtl8225_write(dev, 0xb, 0x7BB); msleep(1);
- rtl8225_write(dev, 0xc, 0x850); msleep(1);
- rtl8225_write(dev, 0xd, 0xCDF); msleep(1);
- rtl8225_write(dev, 0xe, 0x02B); msleep(1);
- rtl8225_write(dev, 0xf, 0x114); msleep(1);
+ rtl8225_write(dev, 0x0, 0x0B7);
+ rtl8225_write(dev, 0x1, 0xEE0);
+ rtl8225_write(dev, 0x2, 0x44D);
+ rtl8225_write(dev, 0x3, 0x441);
+ rtl8225_write(dev, 0x4, 0x8C3);
+ rtl8225_write(dev, 0x5, 0xC72);
+ rtl8225_write(dev, 0x6, 0x0E6);
+ rtl8225_write(dev, 0x7, 0x82A);
+ rtl8225_write(dev, 0x8, 0x03F);
+ rtl8225_write(dev, 0x9, 0x335);
+ rtl8225_write(dev, 0xa, 0x9D4);
+ rtl8225_write(dev, 0xb, 0x7BB);
+ rtl8225_write(dev, 0xc, 0x850);
+ rtl8225_write(dev, 0xd, 0xCDF);
+ rtl8225_write(dev, 0xe, 0x02B);
+ rtl8225_write(dev, 0xf, 0x114);
- rtl8225_write(dev, 0x0, 0x1B7); msleep(1);
+ rtl8225_write(dev, 0x0, 0x1B7);
for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
- rtl8225_write(dev, 0x1, i + 1); msleep(1);
- rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]); msleep(1);
+ rtl8225_write(dev, 0x1, i + 1);
+ rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]);
}
- rtl8225_write(dev, 0x3, 0x080); msleep(1);
- rtl8225_write(dev, 0x5, 0x004); msleep(1);
- rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
- msleep(3000);
+ rtl8225_write(dev, 0x3, 0x080);
+ rtl8225_write(dev, 0x5, 0x004);
+ rtl8225_write(dev, 0x0, 0x0B7);
- rtl8225_write(dev, 0x2, 0xC4D); msleep(1);
- msleep(2000);
+ rtl8225_write(dev, 0x2, 0xC4D);
- rtl8225_write(dev, 0x2, 0x44D); msleep(1);
- rtl8225_write(dev, 0x0, 0x2BF); msleep(1);
+ rtl8225_write(dev, 0x2, 0x44D);
+ rtl8225_write(dev, 0x0, 0x2BF);
rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, 0x03);
rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM, 0x07);
@@ -895,10 +889,10 @@ static void rtl8225z2_b_rf_init(struct i
rtl818x_iowrite32(priv, (__le32 *)0xFFFC, (7 << 12) | (3 << 8) | 28);
rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0);
- rtl8225_write_phy_ofdm(dev, 0x97, 0x46); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0xa4, 0xb6); msleep(1);
- rtl8225_write_phy_ofdm(dev, 0x85, 0xfc); msleep(1);
- rtl8225_write_phy_cck(dev, 0xc1, 0x88); msleep(1);
+ rtl8225_write_phy_ofdm(dev, 0x97, 0x46);
+ rtl8225_write_phy_ofdm(dev, 0xa4, 0xb6);
+ rtl8225_write_phy_ofdm(dev, 0x85, 0xfc);
+ rtl8225_write_phy_cck(dev, 0xc1, 0x88);
}
static void rtl8225_rf_stop(struct ieee80211_hw *dev)
@@ -906,7 +900,7 @@ static void rtl8225_rf_stop(struct ieee8
u8 reg;
struct rtl8187_priv *priv = dev->priv;
- rtl8225_write(dev, 0x4, 0x1f); msleep(1);
+ rtl8225_write(dev, 0x4, 0x1f);
rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
Index: wireless-testing/drivers/net/wireless/rtl8187_dev.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtl8187_dev.c
+++ wireless-testing/drivers/net/wireless/rtl8187_dev.c
@@ -669,7 +669,7 @@ static int rtl8187b_init_hw(struct ieee8
rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488);
rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
- msleep(1100);
+ msleep(100);
priv->rf->init(dev);
next parent reply other threads:[~2008-10-29 16:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <838057.50079.qm@web23102.mail.ird.yahoo.com>
2008-10-29 16:29 ` Larry Finger [this message]
2008-10-29 18:42 ` [RFC/RFT] rtl8187: Reduce delays to reduce startup time Herton Ronaldo Krzesinski
2008-10-29 19:38 ` Hin-Tak Leung
2008-10-30 0:48 ` Larry Finger
2008-10-30 0:49 ` [RFC/RFT PATCH 0/6] " Larry Finger
2008-10-30 0:52 ` [RFC/RFT PATCH 2/6] rtl8187: Remove OFDM delays Larry Finger
2008-10-30 0:53 ` [RFC/RFT PATCH 3/6] rtl8187: Remove CCK delays Larry Finger
2008-10-30 0:54 ` [RFC/RFT PATCH 6/6] rtl8187: Reduce channel switch delay Larry Finger
2008-10-30 0:54 ` [RFC/RFT PATCH 1/6] rtl8187: Remove large delays Larry Finger
2008-10-30 0:54 ` [RFC/RFT PATCH 4/6] rtl8187: Remove msleep calls after calls to rtl8225_write Larry Finger
2008-10-30 0:55 ` [RFC/RFT PATCH 5/6] rtl8187: Remove primitive write delays Larry Finger
2008-10-30 16:51 ` [RFC/RFT] rtl8187: Change TX power settings Larry Finger
2008-10-30 18:52 ` Hin-Tak Leung
2008-10-30 23:42 ` Larry Finger
2008-10-31 3:29 ` Piter PUNK
2008-10-31 16:51 ` [PATCH 0/6] rtl8187: Reduce delays to reduce startup time Larry Finger
2008-10-31 18:03 ` Herton Ronaldo Krzesinski
2008-10-31 16:52 ` [PATCH 1/6] rtl8187: Remove large delays Larry Finger
2008-10-31 16:52 ` [PATCH 2/6] rtl8187: Remove OFDM delays Larry Finger
2008-10-31 16:52 ` [PATCH 3/6] rtl8187: Remove CCK delays Larry Finger
2008-10-31 16:54 ` [PATCH 4/6] rtl8187: Remove msleep calls after calls to rtl8225_write Larry Finger
2008-10-31 16:54 ` [PATCH 5/6] rtl8187: Remove primitive write delays Larry Finger
2008-10-31 16:54 ` [PATCH 6/6] rtl8187: Reduce channel switch delay Larry Finger
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